| US4895431A              (en)* | 1986-11-13 | 1990-01-23 | Olympus Optical Co., Ltd. | Method of processing endoscopic images | 
| DE3707073A1              (en)* | 1987-03-05 | 1988-09-15 | Wolf Gmbh Richard | TECHNOLOGY FOR SIZING OBJECT DAMAGE | 
| DE3823554A1              (en)* | 1988-07-12 | 1990-01-18 | Wolf Gmbh Richard | TECHNOSCOPE WITH AN EXTENSION FOR MEASURING DEPTH | 
| DE3825352A1              (en)* | 1988-07-26 | 1990-02-01 | Kessler Manfred | METHOD AND DEVICE FOR DETERMINING LOCAL DYE CONCENTRATIONS AND SPREADING PARAMETERS IN ANIMAL AND HUMAN TISSUES | 
| US5239982A              (en)* | 1991-06-07 | 1993-08-31 | Baxter International Inc. | Catheter depth gauge and method of use | 
| US5469254A              (en)* | 1992-04-06 | 1995-11-21 | Olympus Optical Co., Ltd. | Method and apparatus for measuring three-dimensional position of a pipe from image of the pipe in an endoscopic observation system | 
| US5801762A              (en)* | 1995-07-17 | 1998-09-01 | Olympus America, Inc. | Digitally measuring scopes using a high resolution encoder | 
| US5573492A              (en)* | 1994-12-28 | 1996-11-12 | Olympus America Inc. | Digitally measuring scopes using a high resolution encoder | 
| EP0748435B1              (en)* | 1994-12-28 | 2000-03-15 | KEYMED (MEDICAL & INDUSTRIAL EQUIPMENT) LIMITED | Digitally measuring scopes using a high resolution encoder | 
| JP3487944B2              (en)* | 1995-02-24 | 2004-01-19 | オリンパス株式会社 | Endoscope device | 
| US6009189A              (en)* | 1996-08-16 | 1999-12-28 | Schaack; David F. | Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects | 
| JP3771988B2              (en)* | 1997-03-12 | 2006-05-10 | オリンパス株式会社 | Measuring endoscope device | 
| DE19727419C2              (en)* | 1997-06-27 | 2000-07-13 | Wolf Gmbh Richard | endoscope | 
| US5967968A              (en)* | 1998-06-25 | 1999-10-19 | The General Hospital Corporation | Apparatus and method for determining the size of an object during endoscopy | 
| DE10255082A1              (en)* | 2002-11-20 | 2004-06-17 | Aesculap Ag & Co. Kg | endoscope | 
| US7634305B2              (en)* | 2002-12-17 | 2009-12-15 | Given Imaging, Ltd. | Method and apparatus for size analysis in an in vivo imaging system | 
| US7854724B2              (en) | 2003-04-08 | 2010-12-21 | Surgiquest, Inc. | Trocar assembly with pneumatic sealing | 
| US20060015039A1              (en)* | 2004-07-19 | 2006-01-19 | Cassidy Kenneth T | Guidewire bearing markings simplifying catheter selection | 
| US7349083B2              (en)* | 2004-07-21 | 2008-03-25 | The Boeing Company | Rotary borescopic optical dimensional mapping tool | 
| ATE424754T1              (en)* | 2005-09-09 | 2009-03-15 | Given Imaging Ltd | DEVICE, SYSTEM AND METHOD FOR DETECTING SPATIAL MEASUREMENTS OF ANATOMICAL OBJECTS FOR DETECTING PATHOLOGY IN VIVO | 
| US7740578B2              (en)* | 2006-02-21 | 2010-06-22 | Little Paul K | Direct reading endoscopic measuring instrument and method | 
| WO2008045316A2              (en) | 2006-10-06 | 2008-04-17 | Surgiquest, Incorporated | Visualization trocar | 
| USD667954S1              (en) | 2007-10-05 | 2012-09-25 | Surgiquest, Inc. | Visualization trocar | 
| USD663838S1              (en) | 2007-10-05 | 2012-07-17 | Surgiquest, Inc. | Visualization trocar | 
| JP5733831B2              (en) | 2008-10-10 | 2015-06-10 | サージクェスト,インコーポレーテッド | System and method for improved gas recirculation in a surgical trocar with a gas sealing mechanism | 
| WO2011130399A1              (en)* | 2010-04-13 | 2011-10-20 | Surgiquest, Incorporated | Visualization trocar | 
| WO2012122263A2              (en) | 2011-03-08 | 2012-09-13 | Surgiquest, Inc. | Trocar assembly with pneumatic sealing | 
| US9113822B2              (en) | 2011-10-27 | 2015-08-25 | Covidien Lp | Collimated beam metrology systems for in-situ surgical applications | 
| GB2496903B              (en) | 2011-11-28 | 2015-04-15 | Rolls Royce Plc | An apparatus and a method of inspecting a turbomachine | 
| US9561022B2              (en) | 2012-02-27 | 2017-02-07 | Covidien Lp | Device and method for optical image correction in metrology systems | 
| DE102012211396A1              (en)* | 2012-07-02 | 2014-04-24 | Technische Universität Berlin | Endoscopic device for taking picture within blood vessel cavity of human, calculates distance between image pickup unit, striking landmark and distinctive landmark based on performed movement of image recording device | 
| US9351643B2              (en) | 2013-03-12 | 2016-05-31 | Covidien Lp | Systems and methods for optical measurement for in-situ surgical applications |